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30. TROUBLESHOOTING

Trouble
The LCD does not display anything
when I turn on the module.
The pen strokes don´t show on the
computer screen.
The pen strokes are
discontinuous.
31. SPECIFICATIONS
Main module input: 5 V
Pen input: 3 V
(2 x VR392 (SR41))
Product design and specifications are subject to change, without notice.
Connect the module to a computer to
Verify that the pen isn´t in mouse mode.
Verify that the distance between the pen and
Verify that the distance between the pen
and the infrared sensor is correct and is not
Verify the position of your hand according to
500 mA (x USB)
Solution
charge the battery module.
the infrared sensor is correct.
Replace the pen batteries.
beyond the paper size.
the sensor.
31
31

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